Pile-edge detector for pile-fabric treatment machine

Details Pile-edge detector for pile-fabric treatment machine Pile-edge detector for pile-fabric treatment machine

1991-05-28

1994-02-01

Crowder, Clifford D.

Textiles: manufacturing

Textile product fabrication or treatment

Of thread interlaced article or fabric

28160, 26 2R, 250548, 250561, G01V 904, D06C 1300

Patent

active

052822982

ABSTRACT:
A pile-detecting apparatus is used in a machine wherein a pile fabric is deflected over a smooth surface of a roll to detect the edge between the pile-free portion of the fabric and the portion with the pile, which edge runs parallel to the displacement direction of the fabric over the roll. The apparatus has a support plate, a frame carrying the plate, a plurality of rollers mounted on the frame and riding on the surface of the deflecting roll, and at least one light source on the plate for generating light beams and directing same tangentially of the surface. Respective detectors on the plate receive the respective light beams.

REFERENCES:
patent: 2092142 (1937-09-01), Schuz
patent: 2972794 (1961-02-01), Saul et al.
patent: 3179800 (1965-04-01), McNamara
patent: 3758924 (1973-09-01), Holm
patent: 4025025 (1977-05-01), Bartel et al.
patent: 4303189 (1991-12-01), Wiley et al.
patent: 4624036 (1986-11-01), Diggle, Jr. et al.
patent: 4662757 (1987-05-01), Duran, Jr.

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